@charset "utf-8";
/* CSS Document */
.row{padding-bottom: 50px;}

.cpxqxz H3{ 
    font-size: 22px;
    color: #3498db;
    padding-top: 30px;
    font-weight: bold;}
.cpxqtao{width: 45px;
        height: 45px;
        overflow: hidden;}
.cpxqtao img{ width: 45px; margin-left: 20px; transition: all 0.5s;}

.cpxqtao img :hover{transform: scale(1.1);}
.header-matrix {
    height: 130px;
}
/* CAD预览窗口-- */

        #viewer {
            margin-top: 50px;
            height: calc(40vw * 4 / 5); /* 高度为宽度的 4/5 */
            position: relative;
            border: 1px solid #ccc;
            background-color: white;
        }
        #menu, #submenu-view, #submenu-render {
            position: absolute;
            display: none;
            background: white;
            border: 1px solid #ccc;
            z-index: 1000;
        }
        #menu ul, #submenu-view ul, #submenu-render ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        #menu li, #submenu-view li, #submenu-render li {
            padding: 8px 12px;
            cursor: pointer;
			width: 100px
        }
        #menu li:hover, #submenu-view li:hover, #submenu-render li:hover {
            background: #ddd;
        }
        .submenu {
            position: absolute;
            left: 100%;
            top: 0;
            display: none;
            background: white;
            border: 1px solid #ccc;
        }
        .submenu ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .submenu li {
            padding: 8px 12px;
            cursor: pointer;
        }
        .submenu li:hover {
            background: #ddd;
        }
        .submenu-parent:hover .submenu {
            display: block;
        }
        #instructions {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(255, 255, 255, 0.7);
            padding: 5px;
            font-size: 12px;
            border-radius: 3px;
        }
        #title {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(255, 255, 255, 0.7);
            padding: 5px;
            font-size: 16px;
            font-weight: bold;
            border-radius: 3px;
        }
/* CAD预览窗口-- */